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Finding the Fourth Proportional to 958.12, 1,322.76 and 732.30

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Solution

The fourth proportional to 958.12, 1,322.76 and 732.30 is: 1,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.12 : 1,322.76 = 732.30 : x
  2. Step 2: Convert to fraction form
    958.12/1,322.76 = 732.30/x
  3. Step 3: Cross multiply
    958.12x = 1,322.76 × 732.30
  4. Step 4: Simplify right side
    958.12x = 968,657.15
  5. Step 5: Solve for x
    x = 968,657.15/958.12
  6. Step 6: Final answer
    x = 1,011.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.